2004
DOI: 10.1063/1.1758944
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Electronic conduction in shock-compressed water

Abstract: The optical reflectance of a strong shock front in water increases continuously with pressure above 100 GPa and saturates at ∼45% reflectance above 250 GPa. This is the first evidence of electronic conduction in high pressure water. In addition, the water Hugoniot equation of state up to 790 GPa (7.9 Mbar) is determined from shock velocity measurements made by detecting the Doppler shift of reflected light. From a fit to the reflectance data we find that an electronic mobility gap ∼2.5 eV controls thermal acti… Show more

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Cited by 103 publications
(90 citation statements)
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“…In laser shock experiments on water, metallic-like conductivity was reported at very high pressures and different temperatures from this study 12,13 . The laser experiments are only sensitive to the electronic part of the conductivity and are lower than our reported conductivity, which includes both the ionic and electronic contributions.…”
Section: Discussionmentioning
confidence: 99%
“…In laser shock experiments on water, metallic-like conductivity was reported at very high pressures and different temperatures from this study 12,13 . The laser experiments are only sensitive to the electronic part of the conductivity and are lower than our reported conductivity, which includes both the ionic and electronic contributions.…”
Section: Discussionmentioning
confidence: 99%
“…͑c͒ Analysis of the decomposition of the dc conductivity of water at high pressure along the isentrope appropriate for the interior of Nepture. Adapted from Celliers et al, 2004. panion: low-mass x-ray binaries ͑LMXB͒, where the companion mass is less than about ͑1-2͒M ᭪ ͑solar masses͒; and high-mass x-ray binaries ͑HMXB͒, where the companion star is typically several tens of solar masses. The line emission from LMXBs is mostly thought to arise in an irradiated accretion disk ͓as illustrated schematically in Fig.…”
Section: Compact Object Accretion Disks and Photoionized Plasmasmentioning
confidence: 99%
“…Using an annular focal spot, on the other hand, it is possible to access the theoretically predicted super ionic state of water [11]. Similar work on planetary physics studies is reporte elsewhere [12,13].…”
Section: Multiple Reflection Of Cylindrical Shocks and The Laplas Schemementioning
confidence: 63%